package com.itheima.controller;

import com.itheima.pojo.Emp;
import com.itheima.pojo.Result;
import com.itheima.service.EmpService;
import com.itheima.utils.JwtUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestController
public class LoginController {
    @Autowired
    private EmpService empService;

    @PostMapping("/login")
    public Result login(@RequestBody Emp emp) {
        log.info("请求登录接口，登录人信息：{}", emp);

        Emp loginEmp = empService.getByUsernameAndPassword(emp);

        if (loginEmp != null) {
            // 生成一个JWT令牌
            Map<String, Object> claims = new HashMap<>();
            claims.put("id", loginEmp.getId());
            claims.put("username", loginEmp.getUsername());

            String jwt = JwtUtils.generateJwt(claims);

            // 将jwt令牌返回给前端
            return Result.success(jwt);
        }

        return Result.error("用户名或密码错误");
    }
}
